Qual é o polinômio que obtemos quando multiplicamos: a) a
2
b
2
+2,5c por a2
b
2
- 2,5c?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Secant be and cf intersect at point d inside a what is the measure of cde